That's difficult. The e-mail program can't know what you want to write in a mail. So you'll have to write the contents yourself.
If you mean anything else, please post your question with more details (what do you want to be filled automatically, in what e-mail program and under what conditions) in our computer help forum: http://forums.cnet.com/computer-help-forum.
Kees
how do e-mile auto fill

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